(925) Alphonsina |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 23 Apr 2024 | 14.3 | 2.905 AU | 3.059 AU | 21h33m | -13°30' | 71.7° | 19.2° |
Opposition | 14 Aug 2024 | 12.7 | 2.919 AU | 1.923 AU | 21h23m | -01°37' | 167.0° | 4.5° |
(925) Alphonsina - 2024-04-23
astro.vanbuitenen.nl
The interactive orbit chart above shows the body's path through the solar system and its position at the given date.
Green and blue lines are shown perpendicular to the ecliptic plane: Green if the path is above the ecliptic plane, blue if it is below.
(Left-click and drag to rotate the view; Right-click and drag to move the view; Use scroll wheel to zoom in our out.)
The orbital elements of Alphonsina are:
e (Eccentricity) : 0.0812206
a (Semimajor axis) : 2.6996136
i (Inclination) : 21.10110
Ω (Longitude of ascending node) : 299.51038
ω (Argument of perihelion) : 201.48579
M (Mean anomaly) : 153.01175
Epoch : 2024 Mar 31
L (Longitude of perihelion) : 319.67514
B (Latitude of perihelion) : -7.57725
P (Orbital period in years) : 4.44
The light curve chart below shows the estimated development of the minor planet's magnitude.
The all-sky chart below shows the path of the minor planet over the same period as the light curve. The current position is marked yellow.
The following chart shows the path of the minor planet in the next few days. The field of view is optimized for (~10x50) binoculars and finderscopes.
A more printer-friendly version of the same chart can be found below.
Ephemerides:
Date Time RA (2000) DEC (2000) delta radius elong phase PA magn
2024-04-23 00:00 UT 21 33 25.0 -13 30 34 3.059 2.905 71.7 19.2 252 14.3
2024-04-23 08:41 UT 21 33 45.3 -13 27 19 3.055 2.905 72.0 19.2 252 14.3
2024-04-24 00:00 UT 21 34 20.9 -13 21 34 3.046 2.906 72.4 19.3 252 14.3
2024-04-25 00:00 UT 21 35 16.0 -13 12 35 3.033 2.906 73.1 19.3 252 14.2
2024-04-26 00:00 UT 21 36 10.4 -13 03 36 3.020 2.906 73.9 19.4 252 14.2
2024-04-27 00:00 UT 21 37 03.9 -12 54 37 3.007 2.906 74.6 19.5 252 14.2
2024-04-28 00:00 UT 21 37 56.7 -12 45 38 2.994 2.907 75.3 19.6 251 14.2
2024-04-29 00:00 UT 21 38 48.7 -12 36 41 2.981 2.907 76.0 19.6 251 14.2
2024-04-30 00:00 UT 21 39 39.9 -12 27 43 2.968 2.907 76.8 19.7 251 14.2
2024-05-01 00:00 UT 21 40 30.2 -12 18 47 2.954 2.907 77.5 19.8 251 14.2
2024-05-02 00:00 UT 21 41 19.7 -12 09 51 2.941 2.908 78.2 19.8 251 14.2
2024-05-03 00:00 UT 21 42 08.4 -12 00 56 2.928 2.908 78.9 19.9 251 14.2
2024-05-04 00:00 UT 21 42 56.2 -11 52 01 2.914 2.908 79.7 19.9 251 14.2
2024-05-05 00:00 UT 21 43 43.1 -11 43 08 2.901 2.908 80.4 20.0 251 14.2
2024-05-06 00:00 UT 21 44 29.1 -11 34 15 2.887 2.909 81.2 20.0 251 14.2
2024-05-07 00:00 UT 21 45 14.3 -11 25 24 2.874 2.909 81.9 20.1 251 14.2
2024-05-08 00:00 UT 21 45 58.5 -11 16 33 2.860 2.909 82.7 20.1 251 14.1
2024-05-09 00:00 UT 21 46 41.9 -11 07 44 2.847 2.909 83.4 20.2 251 14.1
2024-05-10 00:00 UT 21 47 24.2 -10 58 56 2.833 2.910 84.2 20.2 251 14.1
2024-05-11 00:00 UT 21 48 05.7 -10 50 09 2.820 2.910 84.9 20.2 251 14.1
2024-05-12 00:00 UT 21 48 46.2 -10 41 24 2.806 2.910 85.7 20.3 251 14.1
2024-05-13 00:00 UT 21 49 25.8 -10 32 40 2.793 2.910 86.4 20.3 251 14.1
2024-05-14 00:00 UT 21 50 04.4 -10 23 57 2.779 2.910 87.2 20.3 251 14.1
2024-05-15 00:00 UT 21 50 42.0 -10 15 16 2.765 2.911 88.0 20.3 250 14.1
2024-05-16 00:00 UT 21 51 18.6 -10 06 36 2.752 2.911 88.8 20.3 250 14.1
2024-05-17 00:00 UT 21 51 54.2 -09 57 58 2.738 2.911 89.5 20.3 250 14.1
2024-05-18 00:00 UT 21 52 28.8 -09 49 22 2.724 2.911 90.3 20.3 250 14.0
2024-05-19 00:00 UT 21 53 02.4 -09 40 48 2.711 2.912 91.1 20.3 250 14.0
2024-05-20 00:00 UT 21 53 34.9 -09 32 15 2.697 2.912 91.9 20.3 250 14.0
2024-05-21 00:00 UT 21 54 06.4 -09 23 44 2.684 2.912 92.7 20.3 250 14.0
2024-05-22 00:00 UT 21 54 36.9 -09 15 15 2.670 2.912 93.5 20.3 250 14.0
2024-05-23 00:00 UT 21 55 06.3 -09 06 48 2.656 2.912 94.3 20.3 250 14.0
Terminology:
delta: distance between minor planet and earth in AU
radius: distance between minor planet and sun in AU
magn: magnitude (brightness) estimate
ra: right ascension in hours (24h = 360deg)
dec: declination in degrees
elong: elongation in degrees (angle sun-earth-minor planet)
phase: phase angle in degrees (angle sun-minor planet-earth)
AU: Astronomical Unit (mean distance between earth and sun: 149597870.7 km
Orbital elements provided by the MPC (Minor Planet Center).
Calculations by a modified version of AAPlus, a C# implementation of the AA+ project by PJ Naughter from the algorithms presented in the book "Astronomical Algorithms" by Jean Meeus.
NGC2000 dso catalog and star labels from VizieR as provided by the Strasbourg astronomical Data Center.
Tycho2 catalog from the ESO archive.